JSPM

import { define, render } from 'omi'

class Store {
  data = {
    count: 1
  }
  sub = () => {
    this.data.count--
  }
  add = () => {
    this.data.count++
  }
}

define('my-counter', _ => (
  <div>
    <button onClick={_.store.sub}>-</button>
    <span>{_.store.data.count}</span>
    <button onClick={_.store.add}>+</button>
  </div>
), {
    use: ['count'], 
    //or using useSelf, useSelf will update self only, exclude children components
    //useSelf: ['count'], 
    css: `span { color: red; }`,
    installed() {
      console.log('installed')
    }
  })

render(<my-counter />, 'body', new Store)

define('my-counter', _ => (
  <div>
    <button onClick={_.store.sub}>-</button>
    <span>{_.store.data.count}</span>
    <button onClick={_.store.add}>+</button>
    <div>Double: {_.computed.doubleCount}</div>
  </div>
), {
    use: ['count'],
    compute: {
      doubleCount() {
        return this.count * 2
      }
    }
  })

import { define, render } from 'omi'

define('my-app', _ => {
  const store = _.store.storeA
  const { data, add, sub } = store
  return (
    <p>
      Clicked: {data.count} times
      <button onClick={add}>+</button>
      <button onClick={sub}>-</button>

      <div>
        {_.store.storeB.data.msg}
        <button  onClick={_.store.storeB.changeMsg}>
          change storeB's msg
        </button>
      </div>
    </p>
  )
}, {
  useSelf: {
    storeA: ['count', 'adding'],
    storeB: ['msg']
  }
})

const storeA = new class Store {
  data = {
    count: 0,
    adding: false
  }
  sub = () => {
    this.data.count--
  }
  add = () => {
    this.data.count++
  }
}

const storeB = new class Store {
  data = {
    msg: 'abc'
  }
  changeMsg = () => {
    this.data.msg = 'bcd'
  }
}

render( <my-app /> , 'body', {
  storeA,
  storeB
})

define('my-app', _ => {
  const store = _.store.storeA
  const { data, add, sub } = store
  return (
    <p>
      Clicked: {data.count} times
      <button onClick={add}>+</button>
      <button onClick={sub}>-</button>

      <div>
        {_.store.storeB.data.msg}
        <button onClick={_.store.storeB.changeMsg}>
          change storeB's msg
        </button>
      </div>

      <div>{_.computed.dobuleCount}</div>
      <div>{_.computed.reverseMsg}</div>
    </p>
  )
}, {
    useSelf: {
      storeA: ['count', 'adding'],
      storeB: ['msg']
    },
    compute: {
      dobuleCount() {
        return this.storeA.data.count * 2
      },
      reverseMsg() {
        return this.storeB.data.msg.split('').reverse().join('')
      }
    }
  })

define('my-component', _ => (
  ...
  ...
), {
    use: ['count', 'path.a', 'path[1].b'],
    useSelf: ['path.c', 'path[1].d'],
    compute: {
      doubleCount() {
        return this.count * 2
      }
    },
    css: 'h1 { color: red; }',
    propTypes: { },
    defaultProps: { },
    sLightDom: true, //default is false

    //life cycle
    install() { }, 
    installed() { }, 
    uninstall() { }, 
    receiveProps() { },
    beforeUpdate() { }, 
    updated() { }, 
    beforeRender() { }, 
    rendered() { }, 

    //custom methods
    myMethodA() { },
    myMethodB() { }

  })

<my-counter use={['count']} ></my-counter>